CPC Subgroup Additional Only
H04B 2201/713 Frequency hopping
Full Title
Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00 > Orthogonal indexing scheme relating to spread spectrum techniques in general > Frequency hopping
11 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H04B 2201/71307 Partial band interference
- H04B 2201/71315 Wide band interference
- H04B 2201/71323 Adaptive systems
- H04B 2201/7133 Asymmetric systems
- H04B 2201/71338 Asynchronous systems
- H04B 2201/71346 Bluetooth®
- H04B 2201/71353 Fast frequency hopping
- H04B 2201/71361 Slow frequency hopping
- H04B 2201/71369 OFCHM
- H04B 2201/71376 Threshold
- H04B 2201/71384 Look-up tables
Top Applicants
Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT
- HUAWEI TECHNOLOGIES COMPANY CN 101,476
- QUALCOMM US 101,139
- SAMSUNG ELECTRONICS COMPANY KR 96,655
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
- LG ELECTRONICS KR 55,253
- HUAWEI TECHNOLOGIES COMPANY 54,181
- SONY CORPORATION JP 35,309
- ZTE CORPORATION CN 32,950
- INTEL CORPORATION US 27,533
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498